1 // LockedStream.cpp
2
3 #include "StdAfx.h"
4
5 #include "LockedStream.h"
6
Read(UInt64 startPos,void * data,UInt32 size,UInt32 * processedSize)7 HRESULT CLockedInStream::Read(UInt64 startPos, void *data, UInt32 size,
8 UInt32 *processedSize)
9 {
10 NWindows::NSynchronization::CCriticalSectionLock lock(_criticalSection);
11 RINOK(_stream->Seek(startPos, STREAM_SEEK_SET, NULL));
12 return _stream->Read(data, size, processedSize);
13 }
14
Read(void * data,UInt32 size,UInt32 * processedSize)15 STDMETHODIMP CLockedSequentialInStreamImp::Read(void *data, UInt32 size, UInt32 *processedSize)
16 {
17 UInt32 realProcessedSize = 0;
18 HRESULT result = _lockedInStream->Read(_pos, data, size, &realProcessedSize);
19 _pos += realProcessedSize;
20 if (processedSize != NULL)
21 *processedSize = realProcessedSize;
22 return result;
23 }
24